Match the words to their definitions

• Объекты 1
  • enamel
  • fluoride
  • calcium
  • permanent teeth
  • milk teeth
  • tooth decay
  • acid bacteria
• Объекты 2
  • The hardest substance in the body
  • a chemical that is commonly added to dental products and water to strengthen and protect teeth
  • a chemical soft white element which is found in bones and teeth
  • after a child's milk teeth have fallen out, which occurs between 6 and 12 years of age, the adult teeth begin to erupt
  • the first teeth that grow in your mouth
  • it occurs when foods containing carbohydrates become trapped between teeth and are not completely removed with brushing and flossing
  • very small organisms